How much is 6 volts? Actually, what should the voltage be for a fully charged 6 volt battery? Any difference between an Optima and a regular lead-acid battery?
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Re: How much is 6 volts? Most of my lead acid 6V have been in the 6.29 to 6.35 Volts by my VO meter
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Re: How much is 6 volts? Optima costs more but lasts three times as long with no corrosion. Oh, 6V.
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Re: How much is 6 volts? I got an Optima from Amazon and they gave me $150 off if I got their credit card which I will probably never use
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Re: How much is 6 volts? I thought I did answer the question?
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Re: How much is 6 volts? Now, now, boys, let's not forget that it's a hobby.:)
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Re: How much is 6 volts? 1 Attachment(s)
There are battery state of charge charts that can give you an idea of what the battery charge is.
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Re: How much is 6 volts? Typical conventional lead-acid batteries are approximately 2.1 volts per cell...and provide the voltages that the esteemed gentlemen above referenced. :)
Terry |
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Re: How much is 6 volts? Auto batteries are 2.1V per cell @ 100% charge.
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Re: How much is 6 volts? BTW, Optima's are still lead-acid batteries; they just do it differently using AGM (Absorbent Glass Mat) technology.
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Re: How much is 6 volts? And optimas do not like to be topped off every sitting day. Same with cell phone batteries. You can over cycle them. if you leave them plugged in all time. It's okay to let them run down. If your charging system is decent you don't need to tend them, never have. You don't need to leave your garage everytime with a "fully" charged battery. Optima batteries going on 10 and 14 yrs now.
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Re: How much is 6 volts? Thanks for the help, guys. I asked this question on the Barn because I knew I'd get a quick, accurate answer, and maybe some humor? too.
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https://www.optimabatteries.com/expe...attery-voltage! In the 12 volt universe there is some misunderstanding on what a "fully charged" battery will measure, because battery chemistry and materials have changed a fair bit over the years. Now it is true most people will not care a whit, just so long as there is enough juice to start the car. But for the nerds, the ODC types, the numbers vary. "Modern" maintenance-free sealed car batteries - invented in 1971 btw - have a different open circuit voltage when fully charged than a "standard lead-acid" battery. (The kind with filler caps to add distilled water) The latter when fully charged, measure 12.65 volts at 77° F; maintenance free and AGM on the other hand, will measure 12.80 volts. A tenth or two of a volt doesn't sound like much, but as a percentage of battery charge it looms large, especially over a period of time, because of what's called permanent sulfation. Batteries are getting expensive to buy now. They tend to last much longer, and give better service, when preventive maintenance is followed. So, an OPTIMA 6V battery depending on which flavor you buy, is going to measure about 6.4 volts (or more). I know one of the selling points of the OPTIMA is they laugh at neglect, but I can't help but wonder if they would last even longer with a little TLC now and then? Maybe. It's also important to pay attention when choosing a battery charger, there are GEL cells, AGM, spiral wound, as well as "deep cycle" or marine batteries available, it's not just the good ole lead-acid automotive start batteries around anymore. They all have slightly different charging profiles and/or discharge characteristics. When spending bigger bucks on these fancy pants boutique battery, I'd especially want to make sure it gets charged "just right", not too much, not too little. Some people suggest a strategy of buying a really good, high quality battery charger, coupled with a more middling quality battery, versus an equivalent amount of money spent on the "best" warranty and high CCA battery alone. |
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